« previous next »

Author Question: An organism, observed on direct Gram stain from a clinical specimen, does not grow on blood or ... (Read 72 times)

jayhills49

  • Hero Member
  • *****
  • Posts: 559
on: Jun 25, 2018
An organism, observed on direct Gram stain from a clinical specimen, does not grow on blood or chocolate agars incubated at 35C in CO2. This can be explained by all of following statements except
 
  A) the organism is dead due to previous antibiotic therapy.
  B) the organism requires nicotinamide adenine dinucleotide for growth.
  C) the organism is fastidious and is not being provided the growth factor it needs.
  D) the organism is an anaerobe.

Question 2

The Gram stain of a vaginal discharge is reviewed for the presence of bacterial vaginosis. The microbiologist assigns a score of 2 to the slide. This means there is/are
 
  A) a predominance of gram-positive rods and a limited number of gram-negative rods.
  B) gram-negative rods and gram-positive rods are present in equal amounts.
  C) no organisms present.
  D) a predominance of gram-negative rods and a limited number of gram-positive rods.


amynguyen1221

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jun 25, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Blood typing and cross-reactions. The blood type depends on the presence of surface antigens ... Blood typing and cross-reactions. The blood type depends on the presence of surface antigens ...
Blood Group Identification by Antigen and Antibody Blood Group Identification by Antigen and Antibody
Performing a Gram Stain Performing a Gram Stain
A medical assistant holds a specimen container to receive a biopsy sample. A medical assistant holds a specimen container to receive a biopsy sample.
Risk of Stroke and Heart Disease Increase with Increasing Blood Pressure Risk of Stroke and Heart Disease Increase with Increasing Blood Pressure
Heart Valves and Circulation of Blood Heart Valves and Circulation of Blood
Video: Mutations and translation

For a complete list of videos, visit our video library